| /* |
| Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved. |
| Available via Academic Free License >= 2.1 OR the modified BSD license. |
| see: http://dojotoolkit.org/license for details |
| */ |
| |
| |
| if(!dojo._hasResource["dojox.xmpp.bosh"]){ |
| dojo._hasResource["dojox.xmpp.bosh"]=true; |
| dojo.provide("dojox.xmpp.bosh"); |
| dojo.require("dojo.io.script"); |
| dojo.require("dojo.io.iframe"); |
| dojo.require("dojox.xml.parser"); |
| dojox.xmpp.bosh={transportIframes:[],initialize:function(_1){ |
| this.transportIframes=[]; |
| var _2=dojox._scopeName+".xmpp.bosh"; |
| var c=dojo.connect(dojo.getObject(_2),"_iframeOnload",this,function(_3){ |
| if(_3==0){ |
| _1.load(); |
| dojo.disconnect(c); |
| } |
| }); |
| for(var i=0;i<_1.iframes;i++){ |
| var _4="xmpp-transport-"+i; |
| var _5=dojo.byId("xmpp-transport-"+i); |
| if(_5){ |
| if(window[_4]){ |
| window[_4]=null; |
| } |
| if(window.frames[_4]){ |
| window.frames[_4]=null; |
| } |
| dojo.destroy(_5); |
| } |
| _5=dojo.io.iframe.create("xmpp-transport-"+i,_2+"._iframeOnload("+i+");"); |
| this.transportIframes.push(_5); |
| } |
| },_iframeOnload:function(_6){ |
| var _7=dojo.io.iframe.doc(dojo.byId("xmpp-transport-"+_6)); |
| _7.write("<script>var isLoaded=true; var rid=0; var transmiting=false; function _BOSH_(msg) { transmiting=false; parent.dojox.xmpp.bosh.handle(msg, rid); } </script>"); |
| },findOpenIframe:function(){ |
| for(var i=0;i<this.transportIframes.length;i++){ |
| var _8=this.transportIframes[i]; |
| var _9=_8.contentWindow; |
| if(_9.isLoaded&&!_9.transmiting){ |
| return _8; |
| } |
| } |
| return false; |
| },handle:function(_a,_b){ |
| var _c=this["rid"+_b]; |
| var _d=dojox.xml.parser.parse(_a,"text/xml"); |
| if(_d){ |
| _c.ioArgs.xmppMessage=_d; |
| }else{ |
| _c.errback(new Error("Recieved bad document from server: "+_a)); |
| } |
| },get:function(_e){ |
| var _f=this.findOpenIframe(); |
| var _10=dojo.io.iframe.doc(_f); |
| _e.frameDoc=_10; |
| var dfd=this._makeScriptDeferred(_e); |
| var _11=dfd.ioArgs; |
| _f.contentWindow.rid=_11.rid; |
| _f.contentWindow.transmiting=true; |
| dojo._ioAddQueryToUrl(_11); |
| dojo._ioNotifyStart(dfd); |
| dojo.io.script.attach(_11.id,_11.url,_10); |
| dojo._ioWatch(dfd,this._validCheck,this._ioCheck,this._resHandle); |
| return dfd; |
| },remove:function(id,_12){ |
| dojo.destroy(dojo.byId(id,_12)); |
| if(this[id]){ |
| delete this[id]; |
| } |
| },_makeScriptDeferred:function(_13){ |
| var dfd=dojo._ioSetArgs(_13,this._deferredCancel,this._deferredOk,this._deferredError); |
| var _14=dfd.ioArgs; |
| _14.id="rid"+_13.rid; |
| _14.rid=_13.rid; |
| _14.canDelete=true; |
| _14.frameDoc=_13.frameDoc; |
| this[_14.id]=dfd; |
| return dfd; |
| },_deferredCancel:function(dfd){ |
| dfd.canceled=true; |
| if(dfd.ioArgs.canDelete){ |
| dojox.xmpp.bosh._addDeadScript(dfd.ioArgs); |
| } |
| },_deferredOk:function(dfd){ |
| var _15=dfd.ioArgs; |
| if(_15.canDelete){ |
| dojox.xmpp.bosh._addDeadScript(_15); |
| } |
| return _15.xmppMessage||_15; |
| },_deferredError:function(_16,dfd){ |
| if(dfd.ioArgs.canDelete){ |
| if(_16.dojoType=="timeout"){ |
| dojox.xmpp.bosh.remove(dfd.ioArgs.id,dfd.ioArgs.frameDoc); |
| }else{ |
| dojox.xmpp.bosh._addDeadScript(dfd.ioArgs); |
| } |
| } |
| return _16; |
| },_deadScripts:[],_addDeadScript:function(_17){ |
| dojox.xmpp.bosh._deadScripts.push({id:_17.id,frameDoc:_17.frameDoc}); |
| _17.frameDoc=null; |
| },_validCheck:function(dfd){ |
| var _18=dojox.xmpp.bosh; |
| var _19=_18._deadScripts; |
| if(_19&&_19.length>0){ |
| for(var i=0;i<_19.length;i++){ |
| _18.remove(_19[i].id,_19[i].frameDoc); |
| _19[i].frameDoc=null; |
| } |
| dojox.xmpp.bosh._deadScripts=[]; |
| } |
| return true; |
| },_ioCheck:function(dfd){ |
| var _1a=dfd.ioArgs; |
| if(_1a.xmppMessage){ |
| return true; |
| } |
| return false; |
| },_resHandle:function(dfd){ |
| if(dojox.xmpp.bosh._ioCheck(dfd)){ |
| dfd.callback(dfd); |
| }else{ |
| dfd.errback(new Error("inconceivable dojox.xmpp.bosh._resHandle error")); |
| } |
| }}; |
| } |
